@booklet {5489,
	title = {MITCHELL, R.H. 1973. Isotopic composition of lead in galena from the Mountain Pass carbonatite, California. Nature (Physical Science) London, 241: 17-8.},
	year = {1973},
	note = {MITCHELL, R.H. 1973. Isotopic composition of lead in galena from the Mountain Pass carbonatite, California. Nature (Physical Science) London, 241: 17-8.}
}
